import math


def koch(n, p1, p2):
    if n == 0:
        return
    s = [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3]
    t = [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3]
    u = [(t[0] - s[0]) * math.cos(math.radians(60))
         - (t[1] - s[1]) * math.sin(math.radians(60)) + s[0],
         (t[0] - s[0]) * math.sin(math.radians(60))
         + (t[1] - s[1]) * math.cos(math.radians(60)) + s[1]]

    koch(n - 1, p1, s)
    print(s[0], s[1])
    koch(n - 1, s, u)
    print(u[0], u[1])
    koch(n - 1, u, t)
    print(t[0], t[1])
    koch(n - 1, t, p2)

n = int(input())
p1 = (0, 0)
p2 = (100, 0)
print(p1[0], p1[1])
koch(n, p1, p2)
print(p2[0], p2[1]) import math math def koch(n, p1, p2):
    if n == 0:
        return
    s = [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3]
    t = [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3]
    u = [(t[0] - s[0]) * math.cos(math.radians(60))
         - (t[1] - s[1]) * math.sin(math.radians(60)) + s[0],
         (t[0] - s[0]) * math.sin(math.radians(60))
         + (t[1] - s[1]) * math.cos(math.radians(60)) + s[1]]

    koch(n - 1, p1, s)
    print(s[0], s[1])
    koch(n - 1, s, u)
    print(u[0], u[1])
    koch(n - 1, u, t)
    print(t[0], t[1])
    koch(n - 1, t, p2) koch if n == 0:
        return
     n == 0 n 0 return s = [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3] s [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3] (2 * p1[0] + p2[0]) / 3 2 * p1[0] + p2[0] 2 * p1[0] 2 p1[0] p1 0 p2[0] p2 0 3 (2 * p1[1] + p2[1]) / 3 2 * p1[1] + p2[1] 2 * p1[1] 2 p1[1] p1 1 p2[1] p2 1 3 t = [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3] t [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3] (p1[0] + 2 * p2[0]) / 3 p1[0] + 2 * p2[0] p1[0] p1 0 2 * p2[0] 2 p2[0] p2 0 3 (p1[1] + 2 * p2[1]) / 3 p1[1] + 2 * p2[1] p1[1] p1 1 2 * p2[1] 2 p2[1] p2 1 3 u = [(t[0] - s[0]) * math.cos(math.radians(60))
         - (t[1] - s[1]) * math.sin(math.radians(60)) + s[0],
         (t[0] - s[0]) * math.sin(math.radians(60))
         + (t[1] - s[1]) * math.cos(math.radians(60)) + s[1]] u [(t[0] - s[0]) * math.cos(math.radians(60))
         - (t[1] - s[1]) * math.sin(math.radians(60)) + s[0],
         (t[0] - s[0]) * math.sin(math.radians(60))
         + (t[1] - s[1]) * math.cos(math.radians(60)) + s[1]] (t[0] - s[0]) * math.cos(math.radians(60))
         - (t[1] - s[1]) * math.sin(math.radians(60)) + s[0] (t[0] - s[0]) * math.cos(math.radians(60))
         - (t[1] - s[1]) * math.sin(math.radians(60)) (t[0] - s[0]) * math.cos(math.radians(60)) t[0] - s[0] t[0] t 0 s[0] s 0 math.cos(math.radians(60)) math.cos math cos math.radians(60) math.radians math radians 60 (t[1] - s[1]) * math.sin(math.radians(60)) t[1] - s[1] t[1] t 1 s[1] s 1 math.sin(math.radians(60)) math.sin math sin math.radians(60) math.radians math radians 60 s[0] s 0 (t[0] - s[0]) * math.sin(math.radians(60))
         + (t[1] - s[1]) * math.cos(math.radians(60)) + s[1] (t[0] - s[0]) * math.sin(math.radians(60))
         + (t[1] - s[1]) * math.cos(math.radians(60)) (t[0] - s[0]) * math.sin(math.radians(60)) t[0] - s[0] t[0] t 0 s[0] s 0 math.sin(math.radians(60)) math.sin math sin math.radians(60) math.radians math radians 60 (t[1] - s[1]) * math.cos(math.radians(60)) t[1] - s[1] t[1] t 1 s[1] s 1 math.cos(math.radians(60)) math.cos math cos math.radians(60) math.radians math radians 60 s[1] s 1 koch(n - 1, p1, s) koch n - 1 n 1 p1 s print(s[0], s[1]) print s[0] s 0 s[1] s 1 koch(n - 1, s, u) koch n - 1 n 1 s u print(u[0], u[1]) print u[0] u 0 u[1] u 1 koch(n - 1, u, t) koch n - 1 n 1 u t print(t[0], t[1]) print t[0] t 0 t[1] t 1 koch(n - 1, t, p2) koch n - 1 n 1 t p2 n n p1 p1 p2 p2 n = int(input()) n int(input()) int input() input p1 = (0, 0) p1 (0, 0) 0 0 p2 = (100, 0) p2 (100, 0) 100 0 print(p1[0], p1[1]) print p1[0] p1 0 p1[1] p1 1 koch(n, p1, p2) koch n p1 p2 print(p2[0], p2[1]) print p2[0] p2 0 p2[1] p2 1 def koch(n, p1, p2):
    if n == 0:
        return
    s = [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3]
    t = [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3]
    u = [(t[0] - s[0]) * math.cos(math.radians(60))
         - (t[1] - s[1]) * math.sin(math.radians(60)) + s[0],
         (t[0] - s[0]) * math.sin(math.radians(60))
         + (t[1] - s[1]) * math.cos(math.radians(60)) + s[1]]

    koch(n - 1, p1, s)
    print(s[0], s[1])
    koch(n - 1, s, u)
    print(u[0], u[1])
    koch(n - 1, u, t)
    print(t[0], t[1])
    koch(n - 1, t, p2) def koch(n, p1, p2):
    if n == 0:
        return
    s = [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3]
    t = [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3]
    u = [(t[0] - s[0]) * math.cos(math.radians(60))
         - (t[1] - s[1]) * math.sin(math.radians(60)) + s[0],
         (t[0] - s[0]) * math.sin(math.radians(60))
         + (t[1] - s[1]) * math.cos(math.radians(60)) + s[1]]

    koch(n - 1, p1, s)
    print(s[0], s[1])
    koch(n - 1, s, u)
    print(u[0], u[1])
    koch(n - 1, u, t)
    print(t[0], t[1])
    koch(n - 1, t, p2) koch n = int(input()) int(input()) n p2 = (100, 0) (100, 0) p2 p1 = (0, 0) (0, 0) p1
import math


def koch(n, p1, p2):
    if n == 0:
        return
    s = [(2 * p1[0] + p2[0]) / 3, (2 * p1[1] + p2[1]) / 3]
    t = [(p1[0] + 2 * p2[0]) / 3, (p1[1] + 2 * p2[1]) / 3]
    u = [(t[0] - s[0]) * math.cos(math.radians(60))
         - (t[1] - s[1]) * math.sin(math.radians(60)) + s[0],
         (t[0] - s[0]) * math.sin(math.radians(60))
         + (t[1] - s[1]) * math.cos(math.radians(60)) + s[1]]

    koch(n - 1, p1, s)
    print(s[0], s[1])
    koch(n - 1, s, u)
    print(u[0], u[1])
    koch(n - 1, u, t)
    print(t[0], t[1])
    koch(n - 1, t, p2)

n = int(input())
p1 = (0, 0)
p2 = (100, 0)
print(p1[0], p1[1])
koch(n, p1, p2)
print(p2[0], p2[1])